Overview
The Chisamba Solar Power Plant is a 100 megawatt (MW) grid-connected photovoltaic (PV) solar power station located in Chisamba District, Central Province, Zambia. Commissioned in June 2025, the facility represents a significant addition to the national grid, designed to diversify Zambia’s energy mix and reduce the country’s historical reliance on hydropower. The plant is operated by the Kariba North Bank Extension Power Corporation, with ZESCO serving as the owner of the infrastructure. As an operational solar farm, it contributes directly to the stability of the Central African nation’s electricity supply.
| Property | Value |
|---|---|
| Entity Type | Solar Farm |
| Country | Zambia |
| Region | Central Province, Chisamba District |
| Owner | ZESCO |
| Operator | Kariba North Bank Extension Power Corporation |
| Capacity | 100 MW |
| Commissioned | June 2025 |
| Status | Operational |
The development of the Chisamba Solar Power Plant addresses critical vulnerabilities in Zambia’s energy infrastructure, which has traditionally depended heavily on hydroelectric generation. This dependency exposes the grid to fluctuations in rainfall and seasonal variations, often leading to load shedding during dry spells. By integrating a 100 MW photovoltaic capacity, the project provides a consistent renewable energy source that complements existing hydro resources. The location in Chisamba District was selected for its solar irradiance potential and proximity to grid infrastructure in Central Province.
Operational since June 2025, the plant is managed by the Kariba North Bank Extension Power Corporation. This operator is responsible for the day-to-day management and maintenance of the photovoltaic arrays, ensuring optimal energy capture and grid integration. ZESCO, as the owner, oversees the broader strategic alignment of the asset within the national utility framework. The commissioning of the Chisamba facility marks a milestone in Zambia’s renewable energy expansion, demonstrating a strategic shift toward a more resilient and diversified power generation portfolio.
Development and Financing
The development of the Chisamba Solar Power Plant was spearheaded by the Kariba North Bank Extension Power Corporation, which served as the primary operator and developer for the project. The construction phase was executed by Power China International Group, a major international engineering and construction firm responsible for the physical realization of the 100 MW grid-connected photovoltaic facility. The partnership between the local corporate entity and the international contractor facilitated the timely commissioning of the plant in June 2025, marking a significant milestone in Zambia’s energy infrastructure landscape.
Financial Structure
The financial architecture of the Chisamba project relied on a combination of equity contributions and debt financing to cover the capital expenditure required for the solar farm. A key component of the debt financing was a loan secured from Stanbic Bank Zambia, providing the necessary liquidity for procurement and construction activities. The equity contributions came from the shareholders of the Kariba North Bank Extension Power Corporation, aligning the financial interests of the operator with the long-term operational performance of the station.
| Financial Component | Contributor/Source |
|---|---|
| Debt Financing | Stanbic Bank Zambia |
| Equity Contributions | Kariba North Bank Extension Power Corporation Shareholders |
| Total Capacity Funded | 100 MW |
This financial model supported the strategic objective of diversifying Zambia’s energy mix, reducing the national grid’s historical reliance on hydropower. The successful closure of the financing round enabled Power China International Group to proceed with the installation of the photovoltaic arrays in Chisamba District, Central Province. The operational status achieved in 2025 reflects the effective execution of this financial and developmental plan, ensuring the plant’s integration into the national grid to provide stable solar energy output.
Technical Specifications and Infrastructure
The project is operated by the Kariba North Bank Extension Power Corporation, which manages the operational status of the plant as fully operational. The installed capacity of 100 MW provides a substantial baseline of renewable energy generation, contributing to the diversification of Zambia’s energy mix.
Photovoltaic Infrastructure
The station utilizes photovoltaic technology to convert solar irradiance into electrical energy. The infrastructure is configured as a grid-connected system, allowing for direct integration with the national transmission network. The design prioritizes efficiency and reliability, ensuring consistent power delivery to the grid. The plant’s technical specifications support its role as a major solar energy producer within the Central Province region. The operational framework established in 2025 enables the facility to function as a key component of Zambia’s renewable energy strategy.
Grid Connection and Capacity
The 100 MW capacity of the Chisamba Solar Power Plant is structured to supply power to an estimated 30,000 to 50,000 homes. This output range reflects the plant’s ability to meet residential energy demands while supporting broader grid stability. The grid connection facilitates the transmission of generated electricity to end-users, reducing the load on existing hydropower resources. The infrastructure supports the operational goals of the Kariba North Bank Extension Power Corporation, ensuring that the solar energy generated is efficiently distributed. The plant’s contribution to the national grid underscores its importance in the ongoing efforts to expand renewable energy capacity in Zambia.
Power Purchase Agreement and Energy Usage
The Chisamba Solar Power Plant operates under a structured commercial framework designed to integrate large-scale solar generation into Zambia’s national grid while securing offtake commitments from key industrial consumers. The project’s financial and operational stability is anchored by a 13-year Power Purchase Agreement (PPA) with GreenCo Power Services. This agreement outlines the terms under which the electricity generated by the 100 MW photovoltaic facility is purchased, ensuring a predictable revenue stream for the operator, Kariba North Bank Extension Power Corporation, and providing a stable supply for the buyer.
Industrial Offtake and First Quantum Minerals
A primary component of the Chisamba project’s energy distribution strategy involves a significant supply arrangement with First Quantum Minerals (FQM). As one of Zambia’s largest mining companies, FQM represents a major load center for the national grid. The PPA structure facilitates the direct or grid-mediated supply of solar-generated electricity to FQM’s operations. This industrial offtake is critical for balancing the intermittency of solar power, as mining operations often maintain relatively consistent baseload demands compared to residential consumers. By securing FQM as a key buyer, the project mitigates some of the financial risks associated with solar energy production, leveraging the mining sector’s robust creditworthiness.
Grid Integration and Domestic Supply
While industrial offtake provides financial stability, the Chisamba Solar Power Plant also plays a strategic role in enhancing energy security for domestic consumers in Zambia. The project is grid-connected, meaning that electricity not immediately consumed by industrial partners like FQM is fed into the national transmission network. This integration helps to reduce the country’s historical reliance on hydropower, which has been subject to variability due to climatic fluctuations and drought cycles. By diversifying the energy mix with solar power, the project contributes to a more resilient grid infrastructure. The surplus energy available for domestic use supports residential and commercial sectors in the Central Province and beyond, helping to stabilize electricity prices and improve supply reliability for the broader Zambian population.
Economic and Social Impact
The development of the Chisamba Solar Power Plant has generated measurable economic activity in the Chisamba District of Central Province, Zambia. The project created over 1,200 jobs during the construction phase, with a significant emphasis on local labor integration. Reports indicate that 98% of the workforce employed during construction was drawn from the local population, providing direct income generation for residents of the district and surrounding areas. This high rate of local employment helped to circulate capital within the regional economy, supporting local businesses and services during the build-out period.
Beyond the temporary construction roles, the plant provides permanent operational jobs. While the solar photovoltaic technology requires fewer staff than traditional thermal or hydroelectric plants, the operational phase ensures continued employment for engineers, technicians, and administrative personnel. These positions contribute to the long-term economic stability of the region, offering skilled roles that help to diversify the local labor market in Central Province.
The project also plays a strategic role in Zambia’s broader economic and climate change mitigation efforts. By adding 100 MW of solar capacity to the national grid, the plant helps to reduce the country’s heavy reliance on hydropower. This diversification is critical for energy security, particularly during periods of drought that can affect hydroelectric output. The integration of solar power contributes to the reduction of greenhouse gas emissions, supporting Zambia’s commitments to climate change mitigation and the transition toward a more resilient and diversified energy mix.
Why it matters
The Chisamba Solar Power Plant represents a pivotal milestone in Zambia’s strategic shift toward energy diversification. As a 100 MW grid-connected photovoltaic station commissioned in June 2025, it serves as a flagship component of the national goal to install 1,000 MW of solar capacity by 2025. This project directly addresses the structural vulnerabilities inherent in Zambia’s heavy reliance on hydropower, which has historically dominated the national grid but remains susceptible to climatic fluctuations.
Diversifying the National Energy Mix
For decades, Zambia’s electricity generation has been dominated by hydroelectric plants, making the sector highly sensitive to rainfall patterns and seasonal variations. The commissioning of the Chisamba facility, operated by the Kariba North Bank Extension Power Corporation, introduces a significant variable renewable energy source that complements existing hydro assets. By adding 100 MW of solar generation to the Central Province grid, the plant reduces the proportion of energy derived solely from water reservoirs, thereby balancing the load profile and mitigating the risk of widespread outages during dry spells.
Building Climate Resilience
The significance of the Chisamba Solar Power Plant extends beyond raw capacity addition; it is a critical instrument for building resilience against climate variability. In recent years, prolonged droughts have severely impacted hydropower output, leading to load-shedding and economic strain. Solar energy provides a counter-cyclical benefit, often peaking during the dry, sunny months when hydropower levels are at their lowest. This diversification strategy enhances the stability of the national grid, ensuring more consistent power supply for industrial and residential consumers. The project underscores a broader regional trend where solar infrastructure is leveraged to hedge against the increasing unpredictability of weather patterns, securing Zambia’s energy future through a more balanced and robust generation mix.
How does Chisamba contribute to Zambia's energy security?
The Chisamba Solar Power Plant directly addresses critical vulnerabilities in Zambia’s national grid by diversifying the primary energy mix, which has historically been dominated by hydropower. According to the, the project plays a significant role in Zambia’s efforts to reduce reliance on hydropower, a strategic shift essential for mitigating the risks associated with climatic variability. In a system where hydroelectric generation accounts for the majority of output, prolonged droughts can severely curtail water levels in key reservoirs, leading to capacity shortfalls and subsequent load shedding for industrial and residential consumers. By introducing a 100 MW solar capacity, the grid gains a complementary generation source that often peaks during the same daylight hours as maximum hydro output, yet operates independently of rainfall patterns.
Strategic Reallocation of Hydro Resources
A primary mechanism through which Chisamba improves energy security is the ability to redirect hydropower to domestic consumers. In a hybrid grid, solar generation during peak daylight hours allows hydroelectric plants to either maintain water levels in their reservoirs for evening demand or reduce turbine output. This flexibility means that when solar panels are actively feeding power into the grid, less pressure is placed on hydro stations to meet immediate daytime loads. Consequently, hydropower can be strategically reserved or more efficiently distributed to domestic consumers who may face higher sensitivity to voltage fluctuations and frequency stability issues during peak usage times.
This operational synergy alleviates the strain on the national transmission network. The 100 MW of solar input reduces the total volume of electricity that must be generated by hydro turbines during sunny periods, effectively acting as a buffer against sudden demand spikes. For a country like Zambia, where the Central Province location of Chisamba provides strong solar irradiance, this consistent generation helps stabilize the grid frequency and reduces the likelihood of rolling blackouts. The operational status of the plant since its commissioning in June 2025 marks a tangible step toward a more resilient energy infrastructure, ensuring that domestic consumers experience fewer interruptions even when hydrological conditions are less favorable.
The integration of such a substantial solar asset also supports long-term energy reliability by reducing the marginal cost of generation during peak solar hours. As the Kariba North Bank Extension Power Corporation operates the facility, the technical management of the 100 MW output ensures that the solar input is synchronized with the broader grid demands. This synchronization is crucial for maintaining voltage levels and reducing transmission losses, further enhancing the quality of supply for end-users. By lessening the absolute dependence on any single source, the Chisamba Solar Power Plant contributes to a more robust and adaptable energy system for Zambia.
What are the environmental benefits of the Chisamba Solar Plant?
The Chisamba Solar Power Plant contributes to climate change mitigation by displacing fossil fuel generation and reducing the carbon intensity of Zambia’s electricity mix. As a 100 MW photovoltaic facility, the plant generates clean electricity without direct greenhouse gas emissions during operation. This output helps offset the need for diesel or heavy fuel oil generation, which is often used during periods of hydrological stress in Zambia’s energy system. By providing a stable source of renewable power, the plant supports national efforts to lower overall carbon dioxide emissions associated with electricity production.
Reducing Reliance on Hydropower and Fossil Fuels
Zambia’s energy sector has historically depended heavily on hydropower, which accounts for a large share of installed capacity. However, hydropower generation is vulnerable to climate variability, including droughts that reduce reservoir levels and output. The Chisamba Solar Power Plant, commissioned in June 2025, adds a complementary renewable source that is less sensitive to rainfall patterns. This diversification reduces the need to activate thermal backup plants, which typically burn diesel or heavy fuel oil. Each megawatt-hour of solar energy generated displaces an equivalent amount of fossil fuel-based generation, thereby avoiding the associated carbon dioxide and particulate emissions.
Carbon Emission Reductions
The environmental benefit of the Chisamba Solar Power Plant is measured in terms of avoided carbon emissions. While the grounding snippets do not provide a specific annual emission reduction figure, the plant’s 100 MW capacity indicates a substantial contribution to Zambia’s renewable energy portfolio. Solar photovoltaic systems produce electricity with a low lifecycle carbon footprint compared to thermal power plants. The operational phase of the plant generates electricity with minimal direct emissions, contributing to the reduction of the national carbon intensity per kilowatt-hour. This aligns with broader climate change mitigation strategies that emphasize the integration of variable renewable energy sources into the grid.
Supporting National Energy Diversification
The project plays a significant role in Zambia’s efforts to diversify energy sources, as noted in the project’s description. By reducing reliance on hydropower, the Chisamba Solar Power Plant enhances the resilience of the national grid against climate-induced fluctuations. This diversification is a key component of climate adaptation and mitigation policies, ensuring that energy supply remains stable even under changing environmental conditions. The plant’s operation supports the transition toward a more sustainable energy mix, which is essential for long-term climate goals and energy security in Zambia.
See also
- Lunsemfwa Hydro Power Company
- Southern African Power Pool: Structure, History, and Regional Energy Integration
- Kariba Dam: Engineering, Resettlement and Structural Risks
- History of solar energy
- Parabolic trough collector field: dynamic modeling and analysis